<template>
  <div class="discovery-container">
    <!-- 轮播图 -->
    <el-carousel class :interval="4000" type="card">
      <el-carousel-item v-for="(item, index) in banners" :key="index">
        <img v-lazy="item.imageUrl" alt />
      </el-carousel-item>
    </el-carousel>

    <!-- 推荐歌单 -->
    <div class="recommend">
      <h3 class="title">推荐歌单</h3>
      <div class="items">
        <div
          class="item"
          v-for="(item, index) in playList"
          :key="index"
          @click="toPlaylist(item.id)"
        >
          <div class="img-wrap">
            <div class="desc-wrap">
              <span class="desc">{{ item.copywriter }}</span>
            </div>
            <img v-lazy="item.picUrl+'?param=400y400'" alt />
            <span class="iconfont icon-play"></span>
          </div>
          <p class="name">{{ item.name }}</p>
        </div>
      </div>
    </div>

    <!-- 最新音乐 -->
    <div class="news">
      <h3 class="title">最新音乐</h3>
      <div class="items">
        <div class="item" v-for="(item, index) in newSongs" :key="index" @click="playMusic(item)">
          <div class="img-wrap">
            <img v-lazy="item.picUrl+'?param=130y130'" alt />
            <span class="iconfont icon-play"></span>
          </div>
          <div class="song-wrap">
            <div class="song-name">{{ item.name }}</div>
            <div class="singer">{{ item.song.artists[0].name }}</div>
          </div>
        </div>
      </div>
    </div>
    <!-- 推荐MV -->
    <div class="mvs">
      <h3 class="title">推荐MV</h3>
      <div class="items">
        <div class="item" v-for="(item, index) in mvs" :key="index" @click="toMv(item.id)">
          <div class="img-wrap">
            <img v-lazy="item.picUrl+'?param=250y150'" alt />
            <span class="iconfont icon-play"></span>
            <div class="num-wrap">
              <div class="iconfont icon-play"></div>
              <div class="num">{{ item.playCount }}</div>
            </div>
          </div>
          <div class="info-wrap">
            <div class="name">{{ item.name }}</div>
            <div class="singer">{{ item.artistName }}</div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { getBanner, getRecommend, getNewsong, getPersonalizedMv, getMusicUrl } from '@/request/api.js'

export default {
  name: 'discovery',
  data() {
    return {
      // 轮播图
      banners: [],
      // 推荐歌单
      playList: [],
      // 最新歌曲
      newSongs: {},
      mvs: []
    }
  },

  async created() {
    // 获取轮播图数据
    const bannerData = await getBanner({ clientType: 'pc' })
    this.banners = bannerData.banners
    // 获取推荐歌单
    const recommendData = await getRecommend({ limit: '10' })
    this.playList = recommendData.result
    // 获取最新歌曲
    const newSongsData = await getNewsong({ type: 'recommend' })
    this.newSongs = newSongsData.result
    // 获取推荐MV
    const recommendMvData = await getPersonalizedMv()
    this.mvs = recommendMvData.result
  },

  methods: {
    async playMusic(item) {
      PubSub.publish('AudioUpdate', item)
    },
    toPlaylist(id) {
      this.$router.push(`/playlist?id=${id}`)
    },

    toMv(id) {
      this.$router.push(`/mv?id=${id}`)
    }
  }
}
</script>

<style >
</style>
